PATIENT CHARACTERISTICS: Age: 18 and over Performance status: Karnofsky 50-100% Life expectancy: Not specified Hematopoietic: Absolute neutrophil count at least 1,500/mm3 Platelet count at least 100,000/mm3 Hepatic: Bilirubin no greater than 1.5 times upper limit of normal (ULN) SGOT and SGPT no greater than 2 times ULN (6 times ULN if liver metastases present) Alkaline phosphatase no greater than 2 times ULN (6 times ULN if liver metastases present) Renal: Creatinine no greater than 1.5 times ULN Cardiovascular: No unstable angina No myocardial infarction within the past 6 months No New York Heart Association class III or IV symptomatic congestive heart failure No serious cardiac arrhythmia Pulmonary: No interstitial pneumonia or extensive and symptomatic fibrosis of the lung Other: No history of intolerance to antiemetics (e.g., 5-HT3 antagonists) or antidiarrheal medication (e.g., loperamide) to be administered concurrently with study chemotherapy No history of allergies to drugs containing platinum No known concurrent peripheral neuropathy No diabetes No active infection Not pregnant or nursing Negative pregnancy test Fertile patients must use effective contraception during and for 6 months after study No other active cancer from another primary site except surgically treated non-melanoma skin cancer, carcinoma in situ of the cervix, or localized prostate cancer with an undetectable PSA level